"Why do my images appear blotchy, like watercolor paintings, when I use the pathtracer in Twinmotion. My graphic card is a rtx4070 12g When the render is over inside twinmotion the result is clea...

"Why do my images appear blotchy, like watercolor paintings, when I use the pathtracer in Twinmotion. My graphic card is a rtx4070 12g When the render is over inside twinmotion the result is clean, but when i export the problem appear. tks